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c-ummins Fuel Injector 3087557 is a high-precision OEM-grade fuel injector specifically designed for c-ummins M11 series diesel engines, including M11 CELECT, ISM11, and QSM11 variants. As a core component of the engine’s fuel supply system, it is responsible for atomizing diesel fuel into fine particles and delivering it to the combustion chamber with precise timing and pressure, directly affecting the engine’s power output, fuel efficiency, and emission performance. Manufactured from high-strength heat-resistant alloy steel through micron-level precision machining and strict heat treatment processes, this injector offers exceptional durability, corrosion resistance, and high-temperature tolerance (up to 480℃), making it suitable for harsh working environments such as high pressure, heavy dust, and long-term fuel erosion. It integrates advanced CELECT electronic control technology and an upgraded hydraulic servo system, enabling ultra-precise fuel metering (error ≤±0.7%) and faster response, which effectively stabilizes fuel supply and ensures consistent performance at all engine speed ranges. Its high-precision enhanced dual-orifice nozzle, equipped with anti-clogging, anti-carbon deposition, and wear-resistant ceramic coating, ensures uniform and fine fuel atomization, promoting complete combustion, reducing fuel consumption by 14-17%, and minimizing harmful emissions (NOx, particulate matter) to meet Euro V, China National V, and EPA Tier 3 emission standards. As a direct OEM replacement part, it perfectly matches the original engine’s dimensions, installation interface, and electrical parameters, requiring no modific-ations during installation, thus greatly saving maintenance time and labor costs. Each unit undergoes 100% pre-delivery testing, including pressure tightness, flow rate calibration, and spray pattern inspection, adhering to ISO 9001 and TS 16949 quality certific-ations. Tailored to the high-load, long-hour operating characteristics of M11 series engines, it is widely applied in heavy-duty trucks, large excavators, industrial generator sets, heavy construction machinery, and marine auxiliary engines, providing a reliable, efficient, and cost-effective maintenance solution for equipment operators.

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